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L-半胱氨酸乙酯盐酸盐

产品名称 L-半胱氨酸乙酯盐酸盐

CAS号868-59-7

分子式C5H12ClNO2S

分子量185.67

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  • Mass

    MS-NW-2578          
    L-cysteine ethyl ester hydrochloride
    C5H11NO2S HCl       (Mass of molecular ion:    149)
    

       Source Temperature: 150 °C
       Sample Temperature: 120 °C
       Direct, 75 eV
    

          15.0       2.7
          18.0       1.3
          19.0       1.1
          27.0       5.1
          28.0      14.8
          29.0      10.4
          30.0       6.8
          35.0       3.0
          36.0      25.3
          38.0       8.3
          41.0       1.9
          42.0       8.2
          43.0      12.0
          44.0       1.3
          45.0       1.9
          46.0       6.3
          47.0       3.4
          48.0       1.7
          57.0       1.1
          58.0       1.2
          59.0      21.7
          74.0      24.2
          75.0      13.0
          76.0     100.0
          77.0       4.0
          78.0       4.5
         102.0      31.6
         103.0       2.3
         149.0       1.5
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C5 H11 N O2 S 0.039 g : 0.5 ml DMSO-d6
    L-cysteine ethyl ester hydrochloride
    ChemicalStructure
        Assign.     Shift(ppm)
    A 9.03 B 4.312 C 4.219 D 3.5 E *1 3.421 F *1 3.333 G 1.261

         Hz     ppm     Int.
    

       3609.16   9.031    212
       1729.74   4.329     79
       1723.79   4.314    144
       1718.14   4.300     81
       1697.08   4.247    120
       1689.91   4.229    391
       1682.89   4.211    399
       1675.72   4.193    126
       1395.26   3.492     73
       1378.63   3.450     77
       1373.29   3.437     75
       1363.98   3.413    121
       1358.80   3.400    106
       1340.64   3.355    107
       1334.23   3.339    112
       1326.14   3.319     65
       1319.73   3.303     56
        511.17   1.280    481
        504.00   1.262   1000
        496.98   1.244    453
    

in DMSO-d6

in D2O





KBr disc



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